* {
  margin: 0;
  padding: 0;
}
html,
body {
  font-size: 37.5px;
  height: 100%;
  font-family: "微软雅黑", sans-serif;
}
#header {
  box-sizing: border-box;
  width: 100%;
  background-color: #1d6dff;
  height: 1.3333rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
#header .fl {
  margin-left: 0.2667rem;
  float: left;
  font-size: 0.5333rem;
  color: #ffffff;
  text-decoration: none;
}
#header h4 {
  color: #ffffff;
  font-size: 0.5333rem;
}
#header .fr {
  margin-right: 0.2667rem;
  float: right;
}
#header .fr img {
  height: 0.9067rem;
}
